Trunnion Mounted Ball Valve
YDF trunnion mounted ball valves are designed in accordance with API6D featuring 2 pc or 3 pc split body side entry or top entry design. Wide range of sealing material including PTFE, Peek, Devlon, Nylon etc, valve can be used in working temperature range -46℃~ 500℃. This series of valves are optional designed with Double block and bleed or double piston type. All valves are equipped with sealant injection system for both stem and seats to allow external intervention to prevent seat or stem leakage. The top entry ball valve can be used for in-line maintenance services. YDF full range of trunnion mounted ball valves is fire safe test certified by Llody’s Register per API607 and API6FA. YDF trunnion mounted ball valves include:
2 pc cast steel side entry
Cast steel top entry
3 pc forge steel side entry
Cast steel top entry
3 pc forge steel side entry 

 


 Design Feature

 

Product Range

Full port or reduce port
Fire safe certified
Double block & bleed
Emergency sealant injection
Cavity pressure self relief
Blowout-proof stem
Antic-static
Optional double piston design

 

2 PC Side Entry

Size

2~24”(DN50~DN600)

Rating

150~1500LB(PN16~PN250)

Body Materials

Cast Carbon Steel, Stainless Steel, Duplex Steel

Trim

Carbon Steel, Stainless Steel, Duplex Steel

 

Top Entry

Size

2~36”(DN50~DN900)

Rating

150~1500LB(PN16~PN250)

Body Materials

Cast Carbon Steel, Stainless Steel, Duplex Steel

Trim

Carbon Steel, Stainless Steel, Duplex Steel

 

3 PC Side Entry

Size

1-1/2~60”(DN40~DN1500)

Rating

150~2500LB(PN16~PN420)

Body Materials

Forge Carbon Steel, Stainless Steel, Duplex Steel

Trim

Carbon Steel, Stainless Steel, Duplex Steel

 

Products
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Dual Plate Check Valve
Bellow Sealed Valve
Pressure Seal Valve
API603 Stainless Steel Valve
API602 Forged Steel Valve
API600 Cast Valve
Metal Seated Ball Valve
Full Welded Ball Valve
Floating Ball Valve
Trunnion Mounted Ball Valve
Full-opening Swing Check Valve
Through Conduit Gate Valve
Double Offset Butterfly Valve
Triple Offset Butterfly Valve
Cryogenic Valve
Marine Valve
DBB Ball Valve (Dual Ball Side Entry)
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